diff --git a/.gitea/workflows/pr-validation.yml b/.gitea/workflows/pr-validation.yml
index 3347900..bd18788 100644
--- a/.gitea/workflows/pr-validation.yml
+++ b/.gitea/workflows/pr-validation.yml
@@ -7,6 +7,10 @@ on:
       - synchronize
       - reopened
 
+concurrency:
+  group: ci-${{ github.head_ref }}
+  cancel-in-progress: true
+
 jobs:
   validate:
     runs-on: ubuntu-latest
diff --git a/.gitea/workflows/push-validation.yml b/.gitea/workflows/push-validation.yml
index 01898dd..f146b08 100644
--- a/.gitea/workflows/push-validation.yml
+++ b/.gitea/workflows/push-validation.yml
@@ -7,6 +7,10 @@ on:
     tags-ignore:
       - "*"
 
+concurrency:
+  group: ci-${{ github.ref_name }}
+  cancel-in-progress: true
+
 jobs:
   validate:
     runs-on: ubuntu-latest